143.18.220 is a class C of IPs

Sample IPs from the class C 143.18.220

143.18.220.69	View precise location of 143.18.220.69 on the map!
143.18.220.253	View precise location of 143.18.220.253 on the map!
143.18.220.21	View precise location of 143.18.220.21 on the map!
143.18.220.138	View precise location of 143.18.220.138 on the map!
143.18.220.189	View precise location of 143.18.220.189 on the map!
143.18.220.107	View precise location of 143.18.220.107 on the map!
143.18.220.180	View precise location of 143.18.220.180 on the map!
143.18.220.246	View precise location of 143.18.220.246 on the map!
143.18.220.156	View precise location of 143.18.220.156 on the map!
143.18.220.252	View precise location of 143.18.220.252 on the map!
143.18.220.53	View precise location of 143.18.220.53 on the map!

10 Random IPs

156.240.220.6	Find precise map location of 156.240.220.6
19.198.45.47	Find precise map location of 19.198.45.47
77.103.15.190	Find precise map location of 77.103.15.190
214.240.174.146	Find precise map location of 214.240.174.146
182.30.133.155	Find precise map location of 182.30.133.155
244.188.205.183	Find precise map location of 244.188.205.183
47.22.191.78	Find precise map location of 47.22.191.78
155.126.169.127	Find precise map location of 155.126.169.127
250.185.230.238	Find precise map location of 250.185.230.238
211.17.47.238	Find precise map location of 211.17.47.238
76.226.173.134	Find precise map location of 76.226.173.134

TestURI.org is a free web-sniffer.net alternative. It alows you to send custom HTTP request and check the HTTP response.